class_docstr: Call variants and gvcf records from a VCF.
code: def get_candidates(
      self,
      allele_counters: Dict[str, allelecounter.AlleleCounter],
      sample_name: str,
  ) -> List[deepvariant_pb2.DeepVariantCall]:
      return self.cpp_variant_caller_from_vcf.calls_from_vcf(
          allele_counters[sample_name], self.vcf_reader
      )
  
file_path: deepvariant/deepvariant/vcf_candidate_importer.py
imports: from typing import Dict, List
  from deepvariant import variant_caller
  from deepvariant.protos import deepvariant_pb2
  from deepvariant.python import allelecounter
  from third_party.nucleus.io import vcf
label_desc: Use image node_id 2 for calling the VcfCandidateImporter obj's underlying member method code with example usage: obj.get_candidates(allele_counters, sample_name) and returns: self